Theresa (Galway) Formation (NYCAth;2)

State	New York
Name	Theresa (Galway) Formation
Geologic age	Cambrian
Original map label	Cth
Comments	part of Beekmantown and Stockbridge Groups, Potsdam Sandstone, and Vermont Valley Sequence up to 3500 ft. (1100 m) Secondary unit description from USGS Geologic Names lexicon (ref. NY046): Consists of somewhat calcareous, sandy dolomites with interbedded weak sandstones, especially near base. Thickness is 20 to 70 feet.
Primary rock type	dolostone (dolomite)
Secondary rock type	sandstone
Other rock types	shale
Lithologic constituents	Major Sedimentary > Carbonate > Dolostone Minor Sedimentary > Clastic > Sandstone Incidental Sedimentary > Clastic > Mudstone > Shale
Map references	NYS Museum, NYS Geological Survey, NYS Museum Technology Center, 1999, 1:250,000 Bedrock geology of NYS, data is distributed in ARC/INFOr EXPORT format (with ".e00" extension) in 5 seperate files based on printed map sheets, http://www.nysm.nysed.gov/gis.html. [http://www.nysm.nysed.gov/gis.html.]
Unit references	D. W. Fisher; Y. W. Isachsen, L. V. Rickard, 1970, Geologic Map of New York State, consisting of 5 sheets: Niagara, Finger Lakes, Hudson-Mohawk, Adirondack, and Lower Hudson, New York State Museum and Science Service, Map and Chart Series No. 15, scale 1:250000. USGS Geologic Names Lexicon (GEOLEX) [http://ngmdb.usgs.gov/Geolex/]
Geographic coverage	Fulton - Montgomery - Saratoga